What year/size/type of bike? Unfortunately we don't have crystal balls/tea leaves for diagnosis.
Could be fuel delivery,spark problem or a combination of both.
Check your battery cables for tightness, as a loose ground can cause this too.
Clean air filter? Sparkplugs properly gapped? Correct heat range? Sparkplugs tight?No crud in the carbs?Fuel fresh(not sitting around for a week or so?).
Could be fuel delivery,spark problem or a combination of both.
Check your battery cables for tightness, as a loose ground can cause this too.
Clean air filter? Sparkplugs properly gapped? Correct heat range? Sparkplugs tight?No crud in the carbs?Fuel fresh(not sitting around for a week or so?).